open impeller centrifugal pump Material quality: AISI304, AISI316L capacity: ... Head:14-70m Mechanical seal: SIC/Ca Product name: open impeller centrifugal pumpthis pump is not reversible just by reversal ... of ritation, the right direction of rotation is clockwise .open impeller or closed impellermechanical seal according to DIN 2946 L1K ... 2900,1450,3600 rev./min,50 HZ,60 HZ open impeller centrifugal pump